Fig. 6From: The advances in nanomedicine for bone and cartilage repairA SEM images of porous PCEC microspheres [286]. B Porous structure of CMs/gel after 7/14Â days of incubation (SEM images) [287]. C Confocal microscopic observations indicated that the addition of PCL particles to the scaffold improved cell differentiation into the chondrogenic lineage, resulting in a lower proliferation rate [288]Back to article page